It is an online mobile photo-sharing site that allows its users to share pictures and videos on the app, as well as through a variety of other social networking platforms. Instagram was created by Kevin Systrom and Mike Krieger, and launched in October 2010 as a free mobile app. The service rapidly gained popularity, with over 300 million users as of December 2014. The service was acquired by Facebook in April 2012 for approximately US$1 billion in cash. Users can upload photos and short videos (for a maximum of 1 minute), follow other users' feeds and geotag images with longitude and latitude coordinates, or the name of the location.
The former head of Microsoft, Bill Gates, has warned that the world could be in great danger from bio-terrorism. He said the world could face a catastrophe from a virus made by terrorists that could kill 30 million people in less than a year. Mr Gates was speaking at the Munich Security Conference in Germany. He said there was a "reasonable" chance that a bio-terrorist could act in the next 10 to 15 years. He added that world leaders aren't prepared for such an attack. He expressed his surprise that very few leaders were even aware of it. He asked for global "health security" to become a major part of government discussions and policies.
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